Calculus of Doom

Yu Xi was plotted against someone and accidentally triggered a time loop? ! Reborn three years ago, she vowed to change the fate of her lover He Zhikai's death. In every cycle, Yu Xi tried his best to change the ending, but his fate seemed to be controlled by a pair of invisible black hands, and He Zhikai always encountered unexpected events at critical moments. Behind these many suspicious things, there seemed to be a careful layout by mysterious forces. She kept investigating, but unexpectedly fell into one trap after another, as if all the clues were deliberately guided. The number of cycles is limited, and her body and spirit are constantly being consumed. Who is the mastermind hidden in the darkness? Can the number "8" with unknown meaning control the cycle of "Mobius", and the "Ouroboros" totem with mysterious meanings, become a method of calculating misfortune?